From 2bf0e98f17d92fd86ee61be179e3cebe93f75ea7 Mon Sep 17 00:00:00 2001
From: Gleb Mazovetskiy <glex.spb@gmail.com>
Date: Sun, 3 Jan 2021 12:38:13 +0000
Subject: [PATCH] Add a basic FindOpenGLES2.cmake

Fixes #1324
---
 cmake/modules/FindOpenGLES2.cmake | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 cmake/modules/FindOpenGLES2.cmake

diff --git a/cmake/modules/FindOpenGLES2.cmake b/cmake/modules/FindOpenGLES2.cmake
new file mode 100644
index 000000000..70fd5e6f0
--- /dev/null
+++ b/cmake/modules/FindOpenGLES2.cmake
@@ -0,0 +1,28 @@
+# Try to find OpenGLES2. Once done this will define:
+#     OPENGLES2_FOUND
+#     OPENGLES2_INCLUDE_DIRS
+#     OPENGLES2_LIBRARIES
+#     OPENGLES2_DEFINITIONS
+
+find_package(PkgConfig QUIET)
+
+pkg_check_modules(PC_OPENGLES2 glesv2)
+
+if (PC_OPENGLES2_FOUND)
+    set(OPENGLES2_DEFINITIONS ${PC_OPENGLES2_CFLAGS_OTHER})
+endif ()
+
+find_path(OPENGLES2_INCLUDE_DIRS NAMES GLES2/gl2.h
+    HINTS ${PC_OPENGLES2_INCLUDEDIR} ${PC_OPENGLES2_INCLUDE_DIRS}
+)
+
+set(OPENGLES2_NAMES ${OPENGLES2_NAMES} glesv2 GLESv2)
+find_library(OPENGLES2_LIBRARIES NAMES ${OPENGLES2_NAMES}
+    HINTS ${PC_OPENGLES2_LIBDIR} ${PC_OPENGLES2_LIBRARY_DIRS}
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(OpenGLES2 REQUIRED_VARS OPENGLES2_INCLUDE_DIRS OPENGLES2_LIBRARIES
+                                  FOUND_VAR OPENGLES2_FOUND)
+
+mark_as_advanced(OPENGLES2_INCLUDE_DIRS OPENGLES2_LIBRARIES)
-- 
2.27.0

